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    Ram issue on 2.2 amd64 full install

    Scheduled Pinned Locked Moved Problems Installing or Upgrading pfSense Software
    12 Posts 5 Posters 1.5k Views
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    • K
      kejianshi
      last edited by

      Yep - Don't mix ram specs….

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      • N
        nikkon
        last edited by

        Thx kejianshi
        so i need to get another 2 or 4 gb of 1600

        pfsense 2.3.4 on Supermicro A1SRi-2758F + 8GB ECC + SSD

        Happy PfSense user :)

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        • K
          kejianshi
          last edited by

          Nope - You need to pull out the RAM stick you like the best, lay it on its side.  Write down the EXACT model written on that stick and order one EXACTLY the same.
          If you just ordered a stick of that, you could go back to your last purchase and order a second of the exact same also.  Either way.

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          • N
            nikkon
            last edited by

            Thx for the reply.
            This is insane…  :-[

            pfsense 2.3.4 on Supermicro A1SRi-2758F + 8GB ECC + SSD

            Happy PfSense user :)

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            • K
              kejianshi
              last edited by

              Are you also mixing and matching oil and brake fluid in your car?  Don't do that either.

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              • F
                fragged
                last edited by

                You can usually mix different memory sticks together. What you need to do is make sure that all the memory timings, speed, volts etc. are set to the slower modules specifications.

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                • K
                  kejianshi
                  last edited by

                  I think thats a horrible thing to do in general, but to each his own…

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                  • N
                    nikkon
                    last edited by

                    Both are 1.35v.by default any mobo will used both @ the operating speed of the slowest of them, but will work.in bios i see 6 gb but kernel dies…this is unusual.

                    pfsense 2.3.4 on Supermicro A1SRi-2758F + 8GB ECC + SSD

                    Happy PfSense user :)

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                    • S
                      switchman
                      last edited by

                      From the manual for your motherboard.
                      Be sure to use memory modules of the same type, same speed,
                      same frequency on the same motherboard. Mixing of memory modules
                      of different types and speeds is not allowed

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                      • N
                        nikkon
                        last edited by

                        Still…it works on linux kernel and Ms. In any case is not big deal...new same model 4 gb is on the way.

                        pfsense 2.3.4 on Supermicro A1SRi-2758F + 8GB ECC + SSD

                        Happy PfSense user :)

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                        • stephenw10S
                          stephenw10 Netgate Administrator
                          last edited by

                          @kejianshi:

                          Are you also mixing and matching oil and brake fluid in your car?  Don't do that either.

                          That analogy may be a little extreme.  ;)

                          Closer to running 10w30 oil and topping it up with 5w10. You shouldn't do it but it's unlikely to cause a problem. If it does though your dealer just going to turn around and say 'well we said use this oil and you didn't so no replacement engine for you!'.

                          I have run dissimilar memory modules successfully many times however I couldn't recommend it for a production environment.

                          Steve

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